Finding the Third Proportional to 223,012.13 and 359,083.69

Step by Step Solution

1. Step 1: Write the proportion equation
   223,012.13 : 359,083.69 = 359,083.69 : x
2. Step 2: Convert to fraction form
   223,012.13/359,083.69 = 359,083.69/x
3. Step 3: Cross multiply
   223,012.13x = 359,083.69 × 359,083.69
4. Step 4: Simplify right side
   223,012.13x = 128,941,094,628.60
5. Step 5: Solve for x
   x = 128,941,094,628.60/223,012.13
6. Step 6: Final answer
   x = 578,179.75